[RFC 12/13] v4l: fimc: support for dmabuf exporting

[Tomasz Stanislawski <t.stanislaws@samsung.com>]

This patch enhances s5p-fimc with support for DMABUF exporting via
VIDIOC_EXPBUF ioctl.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
---
 drivers/media/video/s5p-fimc/fimc-capture.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/drivers/media/video/s5p-fimc/fimc-capture.c b/drivers/media/video/s5p-fimc/fimc-capture.c
index 38fb39e..78a4db9 100644
--- a/drivers/media/video/s5p-fimc/fimc-capture.c
+++ b/drivers/media/video/s5p-fimc/fimc-capture.c
@@ -1011,6 +1011,14 @@ static int fimc_cap_qbuf(struct file *file, void *priv,
 	return vb2_qbuf(&fimc->vid_cap.vbq, buf);
 }
 
+static int fimc_cap_expbuf(struct file *file, void *priv,
+			  struct v4l2_exportbuffer *eb)
+{
+	struct fimc_dev *fimc = video_drvdata(file);
+
+	return vb2_expbuf(&fimc->vid_cap.vbq, eb);
+}
+
 static int fimc_cap_dqbuf(struct file *file, void *priv,
 			   struct v4l2_buffer *buf)
 {
@@ -1146,6 +1154,7 @@ static const struct v4l2_ioctl_ops fimc_capture_ioctl_ops = {
 
 	.vidioc_qbuf			= fimc_cap_qbuf,
 	.vidioc_dqbuf			= fimc_cap_dqbuf,
+	.vidioc_expbuf			= fimc_cap_expbuf,
 
 	.vidioc_prepare_buf		= fimc_cap_prepare_buf,
 	.vidioc_create_bufs		= fimc_cap_create_bufs,
-- 
1.7.5.4